public class Test {


    public static void main2(String[] args) {
        MySingleList mySingleList = new MySingleList();

    }

    public static void main1(String[] args) {
        MySingleList mySingleList = new MySingleList();
        mySingleList.creatList();
        System.out.println("========");
        boolean ret = mySingleList.contain(78);
        if(ret){
            System.out.println("存在这个节点");
        }else{
            System.out.println("不存在这个节点");
        }
        int len = mySingleList.size();
        System.out.println(len);
        mySingleList.display();
        mySingleList.addFirst(99);
        mySingleList.display();
    }
}
